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3 years ago

Please help me out with this problem!!!!!!

Mathematics

1 answer:

guapka [62]3 years ago

4 0

Answer:

Step-by-step explanation:

The line with positive slope is 3x-5y≥15 and the line with negative slope is 2x+3y≤12.

This is because such inequalities represent half planes which are divided by the corresponding lines.

Put (0,0) in both lines to check if the origin lies in the shaded half plane or not.

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Mr. Poole spent 7 nights in a hotel. His employer paid the cost for 4 of the nights. Mr. Poole’s employer paid $356 toward his h

Nostrana [21]

Since 4 nights cost $356, 356÷4=89, so one night costs $89. 7-4=3, so 89×3 is 267. 267+356 is 623. The total cost for 7 nights would be $623

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3 years ago

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Find the annual rate of interest. Principal = 4600 rupees, Period = 5 years, Total amount = 6440 rupees, Annual rate of interest

Len [333]

The annual rate of interest per year is 8%

<u>Solution:</u>

Given:- Principal (p) = 4600 rupees, Time –Period (t) = 5 years, Total amount(A) = 6440 rupees

First we will calculate the Interest and then using formula of simple interest we will calculate the rate of interest

Interest = Amount – Principal

Interest = 6440 – 4600 = 1840

Now using the formula of simple Interest and on putting values we get,

$\text {Simple Interest }=\frac{P \times R \times T}{100}$

Where "P" is the principal and "R" is the rate of interest per annum and "T" is the time period

$1840=\frac{4600 \times R \times 5}{100}$

$\begin{aligned} \mathrm{R} &=\frac{1840 \times 100}{4600 \times 5} \\\\ \mathrm{R} &=\frac{1840}{230} \\\\ \mathrm{R} &=8 \% \end{aligned}$

Hence, the required rate of interest per year is 8%

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3 years ago

Where do I put the parentheses in 15-3x4+9=12

aivan3 [116]

Answer:

That depends on which operations you want to do first. The order of operations affect to outcome of the equation.

In this case:

15 - (3 x 4) + 9 = 12

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2 years ago

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A psychology professor at a university is interested in determining the proportion of undergraduate students at her university w

mario62 [17]

Answer:

No, because the professor’s question had 3 possible answers

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3 years ago

Find the difference of 1-3/8

Vilka [71]

1-3=-2 so -2/8 is -1/4 so negative one fourth

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3 years ago